[GSoC 2025] Serialising Parameter Sets

[medha-14]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context.

Fixes # (issue)

Type of change

Please add a line in the relevant section of CHANGELOG.md to document the change (include PR #)

Important checks:

Please confirm the following before marking the PR as ready for review:

• No style issues: nox -s pre-commit
• All tests pass: nox -s tests
• The documentation builds: nox -s doctests
• Code is commented for hard-to-understand areas
• Tests added that prove fix is effective or that feature works

[codecov]

Codecov Report

❌ Patch coverage is 85.22727% with 13 lines in your changes missing coverage. Please review.
✅ Project coverage is 98.75%. Comparing base (3de0d8a) to head (6d479ca).

Files with missing lines	Patch %	Lines
src/pybamm/parameters/parameter_values.py	77.41%	7 Missing ⚠️
src/pybamm/expression_tree/operations/serialise.py	89.28%	6 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #5177      +/-   ##
===========================================
- Coverage    98.79%   98.75%   -0.05%     
===========================================
  Files          320      320              
  Lines        27092    27177      +85     
===========================================
+ Hits         26766    26838      +72     
- Misses         326      339      +13     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.